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authorTyler Hicks <tyhicks@linux.vnet.ibm.com>2011-05-23 22:18:20 -0400
committerTyler Hicks <tyhicks@linux.vnet.ibm.com>2011-05-29 13:49:53 -0400
commitc4f790736ca8d7d86883c5aee2ba1caa15cd8da3 (patch)
tree827e371fb2aff1e9290fbd90ca436d069aaa356d /fs/ecryptfs/main.c
parent139f37f5e14cd883eee2a8a36289f544b5390a44 (diff)
eCryptfs: Consolidate inode functions into inode.c
These functions should live in inode.c since their focus is on inodes and they're primarily used by functions in inode.c. Also does a simple cleanup of ecryptfs_inode_test() and rolls ecryptfs_init_inode() into ecryptfs_inode_set(). Signed-off-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com> Tested-by: David <david@unsolicited.net>
Diffstat (limited to 'fs/ecryptfs/main.c')
-rw-r--r--fs/ecryptfs/main.c69
1 files changed, 0 insertions, 69 deletions
diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c
index 89b93389af8e..7c697abab396 100644
--- a/fs/ecryptfs/main.c
+++ b/fs/ecryptfs/main.c
@@ -168,75 +168,6 @@ void ecryptfs_put_lower_file(struct inode *inode)
168 } 168 }
169} 169}
170 170
171static struct inode *ecryptfs_get_inode(struct inode *lower_inode,
172 struct super_block *sb)
173{
174 struct inode *inode;
175 int rc = 0;
176
177 if (lower_inode->i_sb != ecryptfs_superblock_to_lower(sb)) {
178 rc = -EXDEV;
179 goto out;
180 }
181 if (!igrab(lower_inode)) {
182 rc = -ESTALE;
183 goto out;
184 }
185 inode = iget5_locked(sb, (unsigned long)lower_inode,
186 ecryptfs_inode_test, ecryptfs_inode_set,
187 lower_inode);
188 if (!inode) {
189 rc = -EACCES;
190 iput(lower_inode);
191 goto out;
192 }
193 if (inode->i_state & I_NEW)
194 unlock_new_inode(inode);
195 else
196 iput(lower_inode);
197 if (S_ISLNK(lower_inode->i_mode))
198 inode->i_op = &ecryptfs_symlink_iops;
199 else if (S_ISDIR(lower_inode->i_mode))
200 inode->i_op = &ecryptfs_dir_iops;
201 if (S_ISDIR(lower_inode->i_mode))
202 inode->i_fop = &ecryptfs_dir_fops;
203 if (special_file(lower_inode->i_mode))
204 init_special_inode(inode, lower_inode->i_mode,
205 lower_inode->i_rdev);
206 fsstack_copy_attr_all(inode, lower_inode);
207 /* This size will be overwritten for real files w/ headers and
208 * other metadata */
209 fsstack_copy_inode_size(inode, lower_inode);
210 return inode;
211out:
212 return ERR_PTR(rc);
213}
214
215/**
216 * ecryptfs_interpose
217 * @lower_dentry: Existing dentry in the lower filesystem
218 * @dentry: ecryptfs' dentry
219 * @sb: ecryptfs's super_block
220 * @flags: flags to govern behavior of interpose procedure
221 *
222 * Interposes upper and lower dentries.
223 *
224 * Returns zero on success; non-zero otherwise
225 */
226int ecryptfs_interpose(struct dentry *lower_dentry, struct dentry *dentry,
227 struct super_block *sb, u32 flags)
228{
229 struct inode *lower_inode = lower_dentry->d_inode;
230 struct inode *inode = ecryptfs_get_inode(lower_inode, sb);
231 if (IS_ERR(inode))
232 return PTR_ERR(inode);
233 if (flags & ECRYPTFS_INTERPOSE_FLAG_D_ADD)
234 d_add(dentry, inode);
235 else
236 d_instantiate(dentry, inode);
237 return 0;
238}
239
240enum { ecryptfs_opt_sig, ecryptfs_opt_ecryptfs_sig, 171enum { ecryptfs_opt_sig, ecryptfs_opt_ecryptfs_sig,
241 ecryptfs_opt_cipher, ecryptfs_opt_ecryptfs_cipher, 172 ecryptfs_opt_cipher, ecryptfs_opt_ecryptfs_cipher,
242 ecryptfs_opt_ecryptfs_key_bytes, 173 ecryptfs_opt_ecryptfs_key_bytes,